Best for Jam detection
Aqara U50 Smart Lock
4.5 feature score
Highest scored product for this feature based on supporting review evidence.
Best Smart Home for Jam detection
Jam detection Decision Dashboard
Safest pick
Tapo Smart Door Lock DL110
4.2 feature score
Balances feature score, supporting reviews, and overall product strength.
Most evidence
Desloc D110 Plus Smart Lock
1 supporting review
Has the broadest review evidence for this feature.
Best overall product
eufy Video Smart Lock S330
4.2 overall score
Strongest overall product among items with scored evidence for this feature.
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Jam or abnormal-deadbolt feedback was positive in limited testing, with the lock alerting the reviewer when the door did not latch properly.
Pros: Access logs, Value and Price
Cons: Warranty and support, Wi-Fi
Jam detection had limited but positive evidence, with one reviewer confirming the app produced a notification for a door-jam event.
Pros: Value and Price, Lock/unlock speed
Cons: Existing hardware reuse, Door compatibility (deadbolt fit)
One reviewer specifically reported no jamming during several days of testing.
Pros: Feature additions via updates, Locking reliability
Cons: Door-sense, Auto-relock after failed attempts
Jam-related evidence was limited and mixed-negative, with a lift-to-lock reviewer saying the lock complains it is stuck and needs recalibration.
Pros: App, Battery
Cons: Geofencing, Jam detection
One reviewer found jam reporting annoying because a calibration issue made the app keep showing the lock as jammed.
Pros: Lock/unlock speed, Wi-Fi
Cons: Jam detection, Door compatibility (deadbolt fit)